*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:#1a1a2e;color:#eee;overflow:hidden}#app{width:100vw;height:100vh;position:relative}#plant-canvas{width:100%;height:100%;display:block;background:#0f0f1a}#toolbar{position:absolute;top:10px;left:10px;background:#1e1e32f2;padding:15px;border-radius:8px;border:1px solid #444;min-width:150px;max-height:calc(100vh - 60px);overflow-y:auto;overflow-x:hidden}#toolbar::-webkit-scrollbar{width:6px}#toolbar::-webkit-scrollbar-track{background:#0003;border-radius:3px}#toolbar::-webkit-scrollbar-thumb{background:#555;border-radius:3px}#toolbar::-webkit-scrollbar-thumb:hover{background:#777}#toolbar h3{font-size:14px;margin-bottom:10px;color:#aaa;text-transform:uppercase;letter-spacing:1px}#toolbar button{display:block;width:100%;padding:8px 12px;margin-bottom:5px;background:#2a2a4a;border:1px solid #555;color:#ddd;border-radius:4px;cursor:pointer;font-size:13px;text-align:left;transition:all .2s}#toolbar button:hover{background:#3a3a6a;border-color:#77f}#toolbar button.selected{background:#4a4a8a;border-color:#99f}#toolbar hr{border:none;border-top:1px solid #444;margin:15px 0}#status-bar{position:absolute;bottom:0;left:0;right:0;background:#141423f2;padding:8px 15px;display:flex;gap:30px;font-size:13px;font-family:Consolas,monospace;border-top:1px solid #333}#status-bar span{color:#aaa}#legend{position:absolute;bottom:50px;left:280px;background:#1e1e32f2;padding:12px;border-radius:8px;border:1px solid #444;font-size:12px}#legend h4{margin-bottom:8px;color:#aaa}.legend-water{width:150px;height:12px;background:linear-gradient(to right,#143278,#3278c8,#78b4f0);border-radius:3px;margin-bottom:3px}.legend-steam{width:150px;height:12px;background:linear-gradient(to 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.2s}.mode-btn.active{background:#3a4a3a!important;border-color:#4a7!important;color:#4a7!important;font-weight:700}.component-categories{max-height:300px;overflow-y:auto}.component-categories details{margin-bottom:8px}.component-categories summary{cursor:pointer;padding:4px;background:#2a2a2a;border-radius:3px;font-size:12px;color:#aaa;user-select:none}.component-categories summary:hover{background:#333}.component-btn{display:block!important;width:100%!important;padding:6px!important;margin:2px 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input:focus,.dialog-body select:focus{outline:none;border-color:#7af;box-shadow:0 0 0 2px #7af3}.dialog-body input[type=number]{font-family:Consolas,monospace}.dialog-body .form-row{display:flex;gap:15px}.dialog-body .form-row .form-group{flex:1}.dialog-body .help-text{font-size:12px;color:#678;margin-top:5px}.btn-primary,.btn-secondary{padding:8px 20px;border:none;border-radius:4px;font-size:14px;cursor:pointer;transition:background .2s}.btn-primary{background:#58c;color:#fff}.btn-primary:hover{background:#69d}.btn-secondary{background:#456;color:#def}.btn-secondary:hover{background:#567}